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Blair David1; Ju Li1; Zhao Chunnong1; Wen Linqing1; Chu Qi1; Fang Qi1; Cai Ronggen2; Gao Jiangrui3; Lin Xuechun4; Liu Dong5; Wu Lingan6; Zhu Zonghong7; Reitze David H8; Arai Koji8; Zhang Fan7; Flaminio Raffaele9; Zhu Xingjiang1; Hobbs George10; Manchester Richard N10; Shannon Ryan M10; Baccigalupi Carlo11; Gao Wei12; Xu Peng12; Bian Xing12; Cao Zhoujian12; Chang Zijing13; Dong Peng12; Gong Xuefei12; Huang Shuanglin14; Ju Peng15; Luo Ziren16; Qiang LiE15; Tang Wenlin17; Wan Xiaoyun18; Wang Yue13; Xu Shengnian12; Zang Yunlong12; Zhang Haipeng14; Lau Yunkau12; Ni Weitou19
Source Publicationsciencechinaphysicsmechanicsastronomy
AbstractIn the centenary year of Einstein's General Theory of Relativity, this paper reviews the current status of gravitational wave astronomy across a spectrum which stretches from attohertz to kilohertz frequencies. Sect. 1 of this paper reviews the historical development of gravitational wave astronomy from Einstein's first prediction to our current understanding the spectrum. It is shown that detection of signals in the audio frequency spectrum can be expected very soon, and that a north-south pair of next generation detectors would provide large scientific benefits. Sect. 2 reviews the theory of gravitational waves and the principles of detection using laser interferometry. The state of the art Advanced LIGO detectors are then described. These detectors have a high chance of detecting the first events in the near future. Sect. 3 reviews the KAGRA detector currently under development in Japan, which will be the first laser interferometer detector to use cryogenic test masses. Sect. 4 of this paper reviews gravitational wave detection in the nanohertz frequency band using the technique of pulsar timing. Sect. 5 reviews the status of gravitational wave detection in the attohertz frequency band, detectable in the polarisation of the cosmic microwave background, and discusses the prospects for detection of primordial waves from the big bang. The techniques described in sects. 1-5 have already placed significant limits on the strength of gravitational wave sources. Sects. 6 and 7 review ambitious plans for future space based gravitational wave detectors in the millihertz frequency band. Sect. 6 presents a roadmap for development of space based gravitational wave detectors by China while sect. 7 discusses a key enabling technology for space interferometry known as time delay interferometry.
Funding Project[Kavli Institute for Theoretical Physics, China] ; [US National Science Foundation] ; [National Natural Science Foundation of China] ; [Returned Overseas Chinese Scholars Foundation grant] ; [Fundamental Research Funds for the Central Universities] ; [Australian Research Council] ; [National Space Science Center, Chinese Academy of Sciences]
Document Type期刊论文
9.National Astronomical Observatory of Japan
10.CSIRO Astronomy and Space Science
11.SISSA, Astrophysics Sector
16.QUEST Centre of Quantum Engineering and Space-Time Research, Leibniz Universitat Hannover
17.Aerospace Flight Dynamics Laboratory, Beijing Aerospace Control Center
18.Qian Xuesen Laboratory of Launch Vehicle Technology
19.Center for Gravitation and Cosmology, Department of Physics, Tsing Hua University
Recommended Citation
GB/T 7714
Blair David,Ju Li,Zhao Chunnong,et al. gravitationalwaveastronomythecurrentstatus[J]. sciencechinaphysicsmechanicsastronomy,2015,58(12).
APA Blair David.,Ju Li.,Zhao Chunnong.,Wen Linqing.,Chu Qi.,...&Ni Weitou.(2015).gravitationalwaveastronomythecurrentstatus.sciencechinaphysicsmechanicsastronomy,58(12).
MLA Blair David,et al."gravitationalwaveastronomythecurrentstatus".sciencechinaphysicsmechanicsastronomy 58.12(2015).
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